Nicholas Chadi, MD, MPH, is a pediatrician specialized in adolescent and addiction medicine. He is currently a Clinical Assistant Professor at the University of Montreal as well as a clinician-scientist at Sainte-Justine University Hospital Centre in Montreal. Dr. Chadi grew up in Montreal and Toronto where he completed medical school and residency training as well as a fellowship in global journalism. He recently completed a master’s of public health at Harvard University and was the first pediatrician in North America to complete a pediatric addiction medicine fellowship at Boston Children’s Hospital. His research focuses primarily on the prevention and treatment of e-cigarette, nicotine and cannabis use and addiction among adolescents and young adults.